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Finding the Fourth Proportional to 73,421.44, 110,132.16 and 18,017.44

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Solution

The fourth proportional to 73,421.44, 110,132.16 and 18,017.44 is: 27,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,421.44 : 110,132.16 = 18,017.44 : x
  2. Step 2: Convert to fraction form
    73,421.44/110,132.16 = 18,017.44/x
  3. Step 3: Cross multiply
    73,421.44x = 110,132.16 × 18,017.44
  4. Step 4: Simplify right side
    73,421.44x = 1,984,299,241.97
  5. Step 5: Solve for x
    x = 1,984,299,241.97/73,421.44
  6. Step 6: Final answer
    x = 27,026.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.